package main

import (
	"fmt"
	"time"
	"io/ioutil"
)

func main() {
	start := time.Now().Unix();
	b, err := ioutil.ReadFile("D:\\all.csv")
	if err != nil {
		fmt.Print(err)
	}
	fmt.Println(len(b))
	str := string(b)
	fmt.Println(len(str))
	fmt.Printf("time:%d" ,(time.Now().Unix() - start))
}